Quackers! **EDIT: Spelling**
Because it's a catastrophe :-) Yeah, ok, I'll be going now. EDIT: removed explanation.
Because they have no i's (plural of i). Edit: eyes. Eyes guys. It's a bad pun.
They have too many ft. *edit for spelling
A cantaloupe. The spelling is completely different...
A Quacker
A box of quackers !